java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/SkatingStrawberry.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-df3cc4e-m [2019-01-11 11:05:14,569 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-11 11:05:14,572 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-11 11:05:14,588 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-11 11:05:14,588 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-11 11:05:14,589 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-11 11:05:14,591 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-11 11:05:14,593 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-11 11:05:14,596 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-11 11:05:14,597 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-11 11:05:14,598 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-01-11 11:05:14,621 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-01-11 11:05:14,633 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-11 11:05:14,634 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-11 11:05:14,634 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-11 11:05:14,635 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-11 11:05:14,635 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-11 11:05:14,635 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-11 11:05:14,635 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-11 11:05:14,635 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-11 11:05:14,636 INFO L133 SettingsManager]: * Explicit value domain=true [2019-01-11 11:05:14,636 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-11 11:05:14,636 INFO L133 SettingsManager]: * Octagon Domain=false [2019-01-11 11:05:14,636 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-01-11 11:05:14,636 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-11 11:05:14,637 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-11 11:05:14,637 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-11 11:05:14,637 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-11 11:05:14,638 INFO L133 SettingsManager]: * Use SBE=true [2019-01-11 11:05:14,638 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-11 11:05:14,638 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-11 11:05:14,638 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-11 11:05:14,638 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-11 11:05:14,639 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-11 11:05:14,639 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-11 11:05:14,639 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-11 11:05:14,639 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-11 11:05:14,639 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-11 11:05:14,639 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-11 11:05:14,640 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-11 11:05:14,640 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-11 11:05:14,640 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-11 11:05:14,640 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-11 11:05:14,640 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8192 -smt2 -in -t:2000 [2019-01-11 11:05:14,641 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-11 11:05:14,641 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-11 11:05:14,641 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-11 11:05:14,641 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-11 11:05:14,641 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-11 11:05:14,641 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8192 -smt2 -in [2019-01-11 11:05:14,642 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-11 11:05:14,642 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-11 11:05:14,679 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-11 11:05:14,691 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-11 11:05:14,695 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-11 11:05:14,696 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-11 11:05:14,697 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-11 11:05:14,698 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/SkatingStrawberry.bpl [2019-01-11 11:05:14,698 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/SkatingStrawberry.bpl' [2019-01-11 11:05:14,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-11 11:05:14,735 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-11 11:05:14,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-11 11:05:14,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-11 11:05:14,737 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-11 11:05:14,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 11:05:14" (1/1) ... [2019-01-11 11:05:14,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 11:05:14" (1/1) ... [2019-01-11 11:05:14,771 WARN L165 Inliner]: Program contained no entry procedure! [2019-01-11 11:05:14,771 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-01-11 11:05:14,771 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-01-11 11:05:14,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-11 11:05:14,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-11 11:05:14,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-11 11:05:14,775 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-11 11:05:14,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 11:05:14" (1/1) ... [2019-01-11 11:05:14,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 11:05:14" (1/1) ... [2019-01-11 11:05:14,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 11:05:14" (1/1) ... [2019-01-11 11:05:14,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 11:05:14" (1/1) ... [2019-01-11 11:05:14,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 11:05:14" (1/1) ... [2019-01-11 11:05:14,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 11:05:14" (1/1) ... [2019-01-11 11:05:14,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 11:05:14" (1/1) ... [2019-01-11 11:05:14,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-11 11:05:14,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-11 11:05:14,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-11 11:05:14,798 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-11 11:05:14,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 11:05:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:8192 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:8192 -smt2 -in -t:2000 [2019-01-11 11:05:14,868 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-01-11 11:05:14,868 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-11 11:05:14,868 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-11 11:05:15,051 INFO L278 CfgBuilder]: Using library mode [2019-01-11 11:05:15,052 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-11 11:05:15,053 INFO L202 PluginConnector]: Adding new model SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 11:05:15 BoogieIcfgContainer [2019-01-11 11:05:15,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-11 11:05:15,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-11 11:05:15,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-11 11:05:15,057 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-11 11:05:15,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 11:05:14" (1/2) ... [2019-01-11 11:05:15,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdc303e and model type SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 11:05:15, skipping insertion in model container [2019-01-11 11:05:15,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 11:05:15" (2/2) ... [2019-01-11 11:05:15,061 INFO L112 eAbstractionObserver]: Analyzing ICFG SkatingStrawberry.bpl [2019-01-11 11:05:15,070 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-11 11:05:15,077 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-11 11:05:15,094 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-11 11:05:15,129 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-11 11:05:15,129 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-11 11:05:15,129 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-11 11:05:15,129 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-11 11:05:15,129 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-11 11:05:15,130 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-11 11:05:15,130 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-11 11:05:15,130 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-11 11:05:15,144 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-01-11 11:05:15,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-11 11:05:15,151 INFO L394 BasicCegarLoop]: Found error trace [2019-01-11 11:05:15,151 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-11 11:05:15,154 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-01-11 11:05:15,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-11 11:05:15,162 INFO L82 PathProgramCache]: Analyzing trace with hash 30048, now seen corresponding path program 1 times [2019-01-11 11:05:15,164 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-11 11:05:15,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-11 11:05:15,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-11 11:05:15,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-11 11:05:15,219 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-11 11:05:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-11 11:05:15,524 WARN L181 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 10 [2019-01-11 11:05:15,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-11 11:05:15,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-11 11:05:15,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-11 11:05:15,564 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-11 11:05:15,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-11 11:05:15,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-11 11:05:15,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-11 11:05:15,582 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2019-01-11 11:05:15,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-11 11:05:15,672 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2019-01-11 11:05:15,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-11 11:05:15,674 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-01-11 11:05:15,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-11 11:05:15,684 INFO L225 Difference]: With dead ends: 15 [2019-01-11 11:05:15,685 INFO L226 Difference]: Without dead ends: 5 [2019-01-11 11:05:15,688 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-11 11:05:15,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2019-01-11 11:05:15,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2019-01-11 11:05:15,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-01-11 11:05:15,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2019-01-11 11:05:15,722 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2019-01-11 11:05:15,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-11 11:05:15,723 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2019-01-11 11:05:15,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-11 11:05:15,723 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2019-01-11 11:05:15,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-11 11:05:15,724 INFO L394 BasicCegarLoop]: Found error trace [2019-01-11 11:05:15,724 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-11 11:05:15,724 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-01-11 11:05:15,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-11 11:05:15,725 INFO L82 PathProgramCache]: Analyzing trace with hash 927622, now seen corresponding path program 1 times [2019-01-11 11:05:15,725 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-11 11:05:15,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-11 11:05:15,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-11 11:05:15,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-11 11:05:15,727 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-11 11:05:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-11 11:05:15,926 WARN L181 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 18 [2019-01-11 11:05:15,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-11 11:05:15,942 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-11 11:05:15,942 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-11 11:05:15,943 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 5 with the following transitions: [2019-01-11 11:05:15,945 INFO L207 CegarAbsIntRunner]: [0], [4], [8], [9] [2019-01-11 11:05:15,982 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-01-11 11:05:15,982 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-11 11:05:16,074 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-11 11:05:16,075 INFO L272 AbstractInterpreter]: Visited 4 different actions 4 times. Never merged. Never widened. Performed 22 root evaluator evaluations with a maximum evaluation depth of 3. Performed 22 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-01-11 11:05:16,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-11 11:05:16,082 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-01-11 11:05:16,082 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-11 11:05:16,082 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-11 11:05:16,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-11 11:05:16,095 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-11 11:05:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-11 11:05:16,116 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-11 11:05:16,167 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-11 11:05:16,181 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:16,183 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:16,185 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2019-01-11 11:05:16,187 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-11 11:05:16,255 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:05:16,267 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:05:16,268 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:16 [2019-01-11 11:05:16,523 WARN L181 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-01-11 11:05:16,536 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:16,544 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:16,554 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:16,630 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 34 treesize of output 58 [2019-01-11 11:05:16,646 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:16,648 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:16,673 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 70 [2019-01-11 11:05:16,675 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-11 11:05:16,911 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:16,914 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:16,939 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:16,943 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:16,960 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:16,962 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:16,965 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:16,974 INFO L303 Elim1Store]: Index analysis took 103 ms [2019-01-11 11:05:16,993 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 90 [2019-01-11 11:05:16,996 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-11 11:05:17,116 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-11 11:05:17,123 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:17,126 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:17,128 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:17,149 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 57 [2019-01-11 11:05:17,162 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:17,167 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:17,168 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 66 [2019-01-11 11:05:17,170 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-01-11 11:05:17,473 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:17,499 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:17,520 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:17,542 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:17,561 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:17,563 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:17,565 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:17,565 INFO L303 Elim1Store]: Index analysis took 128 ms [2019-01-11 11:05:17,568 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 86 [2019-01-11 11:05:17,569 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-11 11:05:17,624 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-11 11:05:17,706 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2019-01-11 11:05:17,706 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:42, output treesize:145 [2019-01-11 11:05:17,850 WARN L181 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2019-01-11 11:05:17,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-11 11:05:17,863 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-11 11:05:17,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-11 11:05:17,938 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-11 11:05:17,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2019-01-11 11:05:17,938 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-11 11:05:17,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-11 11:05:17,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-11 11:05:17,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-01-11 11:05:17,940 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 6 states. [2019-01-11 11:05:22,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-11 11:05:22,052 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2019-01-11 11:05:22,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-11 11:05:22,056 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2019-01-11 11:05:22,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-11 11:05:22,057 INFO L225 Difference]: With dead ends: 8 [2019-01-11 11:05:22,057 INFO L226 Difference]: Without dead ends: 6 [2019-01-11 11:05:22,058 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-01-11 11:05:22,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-01-11 11:05:22,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-01-11 11:05:22,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-01-11 11:05:22,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-01-11 11:05:22,061 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2019-01-11 11:05:22,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-11 11:05:22,062 INFO L480 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-01-11 11:05:22,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-11 11:05:22,062 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-01-11 11:05:22,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-11 11:05:22,062 INFO L394 BasicCegarLoop]: Found error trace [2019-01-11 11:05:22,063 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2019-01-11 11:05:22,063 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-01-11 11:05:22,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-11 11:05:22,063 INFO L82 PathProgramCache]: Analyzing trace with hash 28752416, now seen corresponding path program 2 times [2019-01-11 11:05:22,064 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-11 11:05:22,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-11 11:05:22,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-11 11:05:22,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-11 11:05:22,065 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-11 11:05:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-11 11:05:22,360 WARN L181 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 23 [2019-01-11 11:05:22,401 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-11 11:05:22,401 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-11 11:05:22,401 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-11 11:05:22,401 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-11 11:05:22,402 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-11 11:05:22,402 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-11 11:05:22,402 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-11 11:05:22,418 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-11 11:05:22,418 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-11 11:05:22,443 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-01-11 11:05:22,444 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-11 11:05:22,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-11 11:05:22,466 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-11 11:05:22,489 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:22,492 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:22,493 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2019-01-11 11:05:22,493 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-11 11:05:22,503 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:05:22,509 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:05:22,510 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:16 [2019-01-11 11:05:22,599 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:22,609 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:22,616 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:22,658 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 53 [2019-01-11 11:05:22,671 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:22,673 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:22,676 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:22,677 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 66 [2019-01-11 11:05:22,679 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-11 11:05:22,772 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:22,773 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:22,774 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:22,776 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 42 [2019-01-11 11:05:22,777 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-11 11:05:22,847 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-11 11:05:22,857 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:22,859 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:22,864 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:22,882 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 30 treesize of output 54 [2019-01-11 11:05:22,893 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:22,895 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:22,896 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:22,912 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 70 [2019-01-11 11:05:22,913 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-01-11 11:05:22,975 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:22,977 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:22,979 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:22,988 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 46 [2019-01-11 11:05:22,989 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-11 11:05:23,026 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-11 11:05:23,106 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2019-01-11 11:05:23,106 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:45, output treesize:157 [2019-01-11 11:05:23,344 WARN L181 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-01-11 11:05:23,353 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,355 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,365 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,373 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 72 [2019-01-11 11:05:23,396 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,397 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,398 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,404 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,417 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 100 [2019-01-11 11:05:23,418 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-11 11:05:23,497 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:05:23,507 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,509 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,510 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,511 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 71 [2019-01-11 11:05:23,527 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,529 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,530 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,533 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,535 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 93 [2019-01-11 11:05:23,535 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-11 11:05:23,566 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:05:23,879 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,880 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,888 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,890 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,891 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,895 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,904 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,910 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 122 [2019-01-11 11:05:23,929 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,941 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,943 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,945 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:23,967 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 167 [2019-01-11 11:05:23,969 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-11 11:05:24,025 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:05:24,030 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:24,110 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:24,115 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:24,118 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:24,122 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:24,125 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:24,128 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:24,128 INFO L303 Elim1Store]: Index analysis took 101 ms [2019-01-11 11:05:24,129 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 125 [2019-01-11 11:05:24,148 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:24,151 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:24,172 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:24,194 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:24,196 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 164 [2019-01-11 11:05:24,197 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-01-11 11:05:24,434 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:05:24,572 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2019-01-11 11:05:24,572 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:125, output treesize:178 [2019-01-11 11:05:24,716 WARN L181 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 53 [2019-01-11 11:05:24,721 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-11 11:05:24,721 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-11 11:05:24,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-01-11 11:05:24,800 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-11 11:05:24,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 3] total 9 [2019-01-11 11:05:24,801 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-11 11:05:24,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-11 11:05:24,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-11 11:05:24,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2019-01-11 11:05:24,802 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 8 states. [2019-01-11 11:05:29,859 WARN L181 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-01-11 11:05:34,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-11 11:05:34,004 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2019-01-11 11:05:34,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-11 11:05:34,005 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 5 [2019-01-11 11:05:34,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-11 11:05:34,006 INFO L225 Difference]: With dead ends: 10 [2019-01-11 11:05:34,006 INFO L226 Difference]: Without dead ends: 8 [2019-01-11 11:05:34,007 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2019-01-11 11:05:34,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-01-11 11:05:34,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-01-11 11:05:34,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-01-11 11:05:34,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-01-11 11:05:34,010 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 5 [2019-01-11 11:05:34,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-11 11:05:34,011 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2019-01-11 11:05:34,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-11 11:05:34,011 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-01-11 11:05:34,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-11 11:05:34,011 INFO L394 BasicCegarLoop]: Found error trace [2019-01-11 11:05:34,012 INFO L402 BasicCegarLoop]: trace histogram [4, 1, 1, 1] [2019-01-11 11:05:34,012 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-01-11 11:05:34,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-11 11:05:34,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1861144288, now seen corresponding path program 3 times [2019-01-11 11:05:34,012 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-11 11:05:34,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-11 11:05:34,013 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-11 11:05:34,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-11 11:05:34,014 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-11 11:05:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-11 11:05:34,467 WARN L181 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2019-01-11 11:05:34,586 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-11 11:05:34,586 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-11 11:05:34,586 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-11 11:05:34,587 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-11 11:05:34,587 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-11 11:05:34,587 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-11 11:05:34,587 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-11 11:05:34,604 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-11 11:05:34,604 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-11 11:05:34,730 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-11 11:05:34,730 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-11 11:05:34,732 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-11 11:05:34,739 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-11 11:05:34,745 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:34,747 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:34,748 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2019-01-11 11:05:34,748 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-11 11:05:34,762 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:05:34,770 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:05:34,771 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:16 [2019-01-11 11:05:34,827 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:34,828 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:34,829 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 50 [2019-01-11 11:05:34,834 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:34,836 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:34,837 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 50 [2019-01-11 11:05:34,838 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-11 11:05:34,868 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:05:34,872 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:34,874 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:34,875 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:34,878 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 56 [2019-01-11 11:05:34,884 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:34,886 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:34,888 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:34,889 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 69 [2019-01-11 11:05:34,890 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-11 11:05:35,150 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:05:35,183 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-01-11 11:05:35,183 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:47, output treesize:80 [2019-01-11 11:05:35,424 WARN L181 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 54 [2019-01-11 11:05:35,439 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:35,439 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:35,440 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:35,442 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 89 [2019-01-11 11:05:35,449 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:35,450 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:35,452 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:35,453 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:35,455 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 69 [2019-01-11 11:05:35,456 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-11 11:05:35,533 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:05:35,646 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:35,648 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:35,669 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:35,682 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:35,684 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:35,687 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:35,687 INFO L683 Elim1Store]: detected equality via solver [2019-01-11 11:05:35,689 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:35,690 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:35,691 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 148 [2019-01-11 11:05:35,700 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:35,702 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:35,705 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:35,710 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:35,713 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:35,715 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 136 [2019-01-11 11:05:35,716 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-11 11:05:35,884 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:05:35,931 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-01-11 11:05:35,931 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:157, output treesize:129 [2019-01-11 11:05:36,834 WARN L181 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-01-11 11:05:36,841 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:36,842 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:36,844 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:36,847 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:36,848 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:36,849 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:36,850 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 161 [2019-01-11 11:05:36,902 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:36,926 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:36,946 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:36,953 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:36,954 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:36,955 INFO L303 Elim1Store]: Index analysis took 101 ms [2019-01-11 11:05:36,956 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 159 [2019-01-11 11:05:36,956 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-11 11:05:37,007 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:05:37,598 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:37,600 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:37,602 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:37,603 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:37,605 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:37,606 INFO L683 Elim1Store]: detected equality via solver [2019-01-11 11:05:37,612 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:37,613 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:37,618 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:37,621 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:37,630 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:37,632 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:37,635 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:37,637 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 270 [2019-01-11 11:05:37,645 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:37,647 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:37,661 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:37,663 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:37,664 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:37,667 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 17 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 192 [2019-01-11 11:05:37,668 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-11 11:05:37,796 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:05:37,888 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-01-11 11:05:37,889 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:225, output treesize:177 [2019-01-11 11:05:38,856 WARN L181 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-01-11 11:05:43,821 WARN L181 SmtUtils]: Spent 4.96 s on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-01-11 11:05:43,839 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:43,842 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:43,854 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:43,858 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:43,865 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:43,873 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:43,876 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:43,881 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:43,886 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:43,891 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:43,892 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 296 [2019-01-11 11:05:43,899 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:43,901 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:43,902 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:43,903 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:43,907 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:43,909 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:43,911 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 212 [2019-01-11 11:05:43,912 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-11 11:05:44,012 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:05:45,390 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:45,414 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:45,440 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:45,444 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:45,477 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:45,482 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:45,491 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:45,509 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:45,512 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:45,530 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:45,570 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:45,576 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:45,585 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:45,590 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:45,639 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:45,665 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:45,666 INFO L303 Elim1Store]: Index analysis took 413 ms [2019-01-11 11:05:45,667 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 394 [2019-01-11 11:05:45,709 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:45,711 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:45,716 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:45,719 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:45,720 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:45,722 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:05:45,724 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 23 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 319 [2019-01-11 11:05:45,726 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-11 11:05:46,015 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:05:46,350 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-01-11 11:05:46,350 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:317, output treesize:249 [2019-01-11 11:05:55,697 WARN L181 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-01-11 11:05:55,704 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-11 11:05:55,704 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-11 11:06:00,592 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-01-11 11:06:00,610 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-11 11:06:00,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 4] total 14 [2019-01-11 11:06:00,611 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-11 11:06:00,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-01-11 11:06:00,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-01-11 11:06:00,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=134, Unknown=4, NotChecked=0, Total=210 [2019-01-11 11:06:00,612 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 12 states. [2019-01-11 11:06:23,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-11 11:06:23,644 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2019-01-11 11:06:23,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-11 11:06:23,645 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 7 [2019-01-11 11:06:23,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-11 11:06:23,646 INFO L225 Difference]: With dead ends: 14 [2019-01-11 11:06:23,646 INFO L226 Difference]: Without dead ends: 11 [2019-01-11 11:06:23,647 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=72, Invalid=134, Unknown=4, NotChecked=0, Total=210 [2019-01-11 11:06:23,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-01-11 11:06:23,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-01-11 11:06:23,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-11 11:06:23,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-01-11 11:06:23,651 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2019-01-11 11:06:23,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-11 11:06:23,652 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2019-01-11 11:06:23,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-01-11 11:06:23,652 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-01-11 11:06:23,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-11 11:06:23,652 INFO L394 BasicCegarLoop]: Found error trace [2019-01-11 11:06:23,653 INFO L402 BasicCegarLoop]: trace histogram [7, 1, 1, 1] [2019-01-11 11:06:23,653 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-01-11 11:06:23,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-11 11:06:23,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1612820806, now seen corresponding path program 4 times [2019-01-11 11:06:23,653 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-11 11:06:23,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-11 11:06:23,654 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-11 11:06:23,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-11 11:06:23,654 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-11 11:06:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-11 11:06:24,077 WARN L181 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 23 [2019-01-11 11:06:24,157 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-01-11 11:06:24,158 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-11 11:06:24,158 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-11 11:06:24,158 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-11 11:06:24,158 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-11 11:06:24,158 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-11 11:06:24,159 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-11 11:06:24,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-11 11:06:24,168 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-11 11:06:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-11 11:06:24,925 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-11 11:06:24,941 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-11 11:06:24,951 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:24,961 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:24,962 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2019-01-11 11:06:24,962 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-11 11:06:24,977 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:06:24,984 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:06:24,984 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:16 [2019-01-11 11:06:25,099 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,141 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,166 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,170 INFO L303 Elim1Store]: Index analysis took 110 ms [2019-01-11 11:06:25,184 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 30 treesize of output 54 [2019-01-11 11:06:25,190 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,191 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,200 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 58 [2019-01-11 11:06:25,201 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-11 11:06:25,247 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,248 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,252 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,254 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,257 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,258 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,261 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,272 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 74 [2019-01-11 11:06:25,273 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-11 11:06:25,316 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-11 11:06:25,319 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,320 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,322 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,333 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 53 [2019-01-11 11:06:25,338 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,339 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,340 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 54 [2019-01-11 11:06:25,340 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-01-11 11:06:25,393 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,395 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,396 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,398 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,402 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,404 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,405 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,407 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 70 [2019-01-11 11:06:25,408 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-11 11:06:25,459 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-11 11:06:25,518 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2019-01-11 11:06:25,518 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:45, output treesize:78 [2019-01-11 11:06:25,728 WARN L181 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-01-11 11:06:25,739 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,740 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,742 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,743 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 74 [2019-01-11 11:06:25,747 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,748 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,750 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,751 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,753 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 69 [2019-01-11 11:06:25,754 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-11 11:06:25,791 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:06:25,801 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,804 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,811 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,823 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 75 [2019-01-11 11:06:25,832 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,835 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,837 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,864 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:25,886 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 76 [2019-01-11 11:06:25,887 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-11 11:06:25,927 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:06:26,182 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:26,185 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:26,191 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:26,192 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:26,193 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:26,195 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:26,197 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:26,199 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 128 [2019-01-11 11:06:26,205 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:26,207 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:26,208 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:26,210 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:26,212 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 132 [2019-01-11 11:06:26,213 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-11 11:06:26,272 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:06:26,279 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:26,281 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:26,287 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:26,290 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:26,291 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:26,293 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:26,297 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:26,305 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 125 [2019-01-11 11:06:26,313 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:26,315 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:26,321 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:26,323 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:26,338 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 135 [2019-01-11 11:06:26,339 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-01-11 11:06:26,393 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:06:26,490 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-01-11 11:06:26,490 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:131, output treesize:135 [2019-01-11 11:06:26,694 WARN L181 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-01-11 11:06:27,082 WARN L181 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-01-11 11:06:27,088 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,095 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,097 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,115 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,119 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,120 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,124 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,134 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,135 INFO L683 Elim1Store]: detected equality via solver [2019-01-11 11:06:27,138 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,146 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,154 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,159 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,211 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 120 treesize of output 296 [2019-01-11 11:06:27,249 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,253 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,262 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,268 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,290 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,291 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 317 [2019-01-11 11:06:27,292 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-11 11:06:27,745 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:06:27,767 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,778 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,781 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,802 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,833 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,850 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,856 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,858 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,860 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,861 INFO L683 Elim1Store]: detected equality via solver [2019-01-11 11:06:27,873 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,885 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,894 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,902 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:27,925 INFO L303 Elim1Store]: Index analysis took 179 ms [2019-01-11 11:06:28,010 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 113 treesize of output 301 [2019-01-11 11:06:28,036 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:28,045 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:28,104 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:28,108 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:28,112 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:28,191 INFO L303 Elim1Store]: Index analysis took 177 ms [2019-01-11 11:06:28,196 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 281 treesize of output 325 [2019-01-11 11:06:28,198 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-11 11:06:28,435 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:06:29,192 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:29,199 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:29,209 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:29,213 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:29,221 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:29,250 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:29,325 INFO L303 Elim1Store]: Index analysis took 140 ms [2019-01-11 11:06:29,346 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 95 treesize of output 178 [2019-01-11 11:06:29,355 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:29,357 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:29,361 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:29,363 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:29,365 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:29,383 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 166 treesize of output 198 [2019-01-11 11:06:29,384 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-11 11:06:29,511 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:06:29,516 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:29,518 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:29,521 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:29,522 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:29,525 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:29,528 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:29,560 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 98 treesize of output 181 [2019-01-11 11:06:29,567 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:29,569 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:29,571 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:29,573 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:29,575 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:29,576 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 198 [2019-01-11 11:06:29,577 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-01-11 11:06:29,717 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:06:29,863 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-01-11 11:06:29,863 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 7 variables, input treesize:223, output treesize:189 [2019-01-11 11:06:36,919 WARN L181 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2019-01-11 11:06:37,686 WARN L181 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-01-11 11:06:37,705 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:37,732 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:37,735 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:37,746 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:37,761 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:37,779 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:37,874 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:37,883 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:37,884 INFO L683 Elim1Store]: detected equality via solver [2019-01-11 11:06:37,885 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:37,901 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:37,926 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:37,944 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:37,958 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:37,997 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:38,002 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:38,003 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:38,030 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:38,040 INFO L303 Elim1Store]: Index analysis took 351 ms [2019-01-11 11:06:38,048 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 133 treesize of output 358 [2019-01-11 11:06:38,162 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:38,219 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:38,247 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:38,446 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:38,471 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:38,508 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:38,757 INFO L303 Elim1Store]: Index analysis took 706 ms [2019-01-11 11:06:38,761 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 24 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 103 treesize of output 341 [2019-01-11 11:06:38,762 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-11 11:06:39,327 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:06:39,346 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:39,358 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:39,365 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:39,375 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:39,380 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:39,393 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:39,417 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:39,445 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:39,445 INFO L683 Elim1Store]: detected equality via solver [2019-01-11 11:06:39,448 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:39,482 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:39,488 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:39,492 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:39,509 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:39,511 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:39,515 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:39,527 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:39,537 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:39,537 INFO L303 Elim1Store]: Index analysis took 209 ms [2019-01-11 11:06:39,538 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 365 [2019-01-11 11:06:39,622 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:39,646 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:39,676 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:39,698 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:39,719 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:39,744 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:39,745 INFO L303 Elim1Store]: Index analysis took 204 ms [2019-01-11 11:06:39,746 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 23 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 342 [2019-01-11 11:06:39,747 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-11 11:06:40,049 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:06:44,222 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,224 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,225 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,227 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,228 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,231 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,236 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,236 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,237 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,239 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,241 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 216 [2019-01-11 11:06:44,255 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,256 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,258 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,263 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,264 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,266 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,268 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 207 [2019-01-11 11:06:44,268 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-11 11:06:44,395 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:06:44,401 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,403 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,404 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,408 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,411 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,414 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,423 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,427 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,430 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,431 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,441 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 111 treesize of output 209 [2019-01-11 11:06:44,454 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,458 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,460 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,465 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,467 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,468 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:44,502 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 206 [2019-01-11 11:06:44,503 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-01-11 11:06:44,589 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:06:45,121 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2019-01-11 11:06:45,122 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:267, output treesize:367 [2019-01-11 11:06:56,301 WARN L181 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2019-01-11 11:06:58,409 WARN L181 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 100 [2019-01-11 11:06:58,439 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,448 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,451 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,456 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,462 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,472 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,473 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,474 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,483 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,489 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,492 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,500 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,501 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,502 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,507 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,515 INFO L303 Elim1Store]: Index analysis took 105 ms [2019-01-11 11:06:58,522 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 150 treesize of output 342 [2019-01-11 11:06:58,552 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,557 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,566 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,593 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,597 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,600 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,602 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,706 INFO L303 Elim1Store]: Index analysis took 181 ms [2019-01-11 11:06:58,713 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 101 treesize of output 347 [2019-01-11 11:06:58,714 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-11 11:06:58,874 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:06:58,909 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,915 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,924 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,944 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,953 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,957 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,962 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,970 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,982 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,984 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,989 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:58,998 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:59,007 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:59,015 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:59,024 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:59,025 INFO L303 Elim1Store]: Index analysis took 149 ms [2019-01-11 11:06:59,026 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 353 [2019-01-11 11:06:59,035 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:59,037 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:59,039 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:59,041 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:59,050 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:59,051 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:59,053 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:06:59,055 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 352 [2019-01-11 11:06:59,056 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-11 11:06:59,244 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:07:06,694 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:06,760 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:06,802 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:06,833 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:06,846 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:06,857 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:06,858 INFO L683 Elim1Store]: detected equality via solver [2019-01-11 11:07:06,961 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:07,035 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:07,060 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:07,235 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:07,242 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:07,265 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:07,266 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:07,267 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:07,284 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:07,327 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:07,333 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:07,341 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:07,351 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:07,368 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:07,413 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:07,429 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:07,440 INFO L303 Elim1Store]: Index analysis took 755 ms [2019-01-11 11:07:07,559 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 214 treesize of output 678 [2019-01-11 11:07:07,644 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:07,667 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:07,696 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:07,714 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:07,719 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:07,725 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:07,728 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:07,729 INFO L303 Elim1Store]: Index analysis took 155 ms [2019-01-11 11:07:07,730 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 669 treesize of output 770 [2019-01-11 11:07:07,732 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-11 11:07:09,396 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:09,416 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:09,420 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:09,435 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:09,465 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:09,469 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:09,473 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:09,490 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:09,552 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:09,566 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:09,633 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:09,650 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:09,684 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:09,716 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:09,728 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:09,742 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:09,747 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:09,938 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:09,976 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:09,980 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:10,042 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:10,044 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:10,062 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:10,066 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:10,079 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:10,084 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:10,099 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:10,106 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:10,129 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:10,129 INFO L303 Elim1Store]: Index analysis took 753 ms [2019-01-11 11:07:10,130 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 728 [2019-01-11 11:07:10,131 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-01-11 11:07:11,363 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:07:11,377 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:11,386 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:11,401 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:11,403 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:11,424 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:11,432 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:11,442 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:11,443 INFO L683 Elim1Store]: detected equality via solver [2019-01-11 11:07:11,453 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:11,517 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:11,533 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:11,538 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:11,552 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:11,573 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:11,596 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:11,615 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:11,622 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:11,904 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:11,909 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:11,934 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:11,948 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:11,997 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:12,027 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:12,045 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:12,066 INFO L303 Elim1Store]: Index analysis took 701 ms [2019-01-11 11:07:12,128 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 24 disjoint index pairs (out of 36 index pairs), introduced 3 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 683 [2019-01-11 11:07:12,188 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:12,220 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:12,227 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:12,274 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:12,277 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:12,280 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:12,284 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:12,313 INFO L303 Elim1Store]: Index analysis took 180 ms [2019-01-11 11:07:12,335 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 30 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 674 treesize of output 778 [2019-01-11 11:07:12,336 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-01-11 11:07:14,815 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:14,822 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:14,867 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:14,946 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:14,987 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:14,991 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,011 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,012 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,023 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,026 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,121 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,134 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,171 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,191 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,227 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,250 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,270 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,515 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,727 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,760 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,774 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,791 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,819 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,864 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,868 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,890 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,913 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,929 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,941 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:15,969 INFO L303 Elim1Store]: Index analysis took 1190 ms [2019-01-11 11:07:15,976 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 30 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 206 treesize of output 744 [2019-01-11 11:07:15,978 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-01-11 11:07:21,685 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:07:22,166 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-01-11 11:07:22,167 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 6 variables, input treesize:380, output treesize:353 [2019-01-11 11:07:48,508 WARN L181 SmtUtils]: Spent 8.30 s on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-01-11 11:07:53,908 WARN L181 SmtUtils]: Spent 5.39 s on a formula simplification that was a NOOP. DAG size: 106 [2019-01-11 11:07:53,961 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:54,018 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:54,084 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:54,265 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:54,297 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:54,367 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:54,396 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:54,409 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:54,490 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:54,562 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:54,586 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:54,617 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:54,673 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:54,797 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:54,818 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:54,827 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:54,865 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:54,889 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:55,138 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:55,246 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:55,310 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:55,348 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:55,418 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:55,458 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:55,495 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:55,523 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:55,568 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:55,582 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:55,676 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:55,716 INFO L303 Elim1Store]: Index analysis took 1806 ms [2019-01-11 11:07:55,822 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 3 new quantified variables, introduced 17 case distinctions, treesize of input 246 treesize of output 941 [2019-01-11 11:07:55,883 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:55,892 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:55,899 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:55,912 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:55,930 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:55,943 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:55,944 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:55,955 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:07:55,992 INFO L303 Elim1Store]: Index analysis took 160 ms [2019-01-11 11:07:56,003 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 38 disjoint index pairs (out of 36 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 909 treesize of output 1017 [2019-01-11 11:07:56,005 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-11 11:08:00,735 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:08:00,874 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:00,913 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:01,095 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:01,165 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:01,193 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:01,259 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:01,324 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:01,362 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:01,630 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:01,697 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:01,786 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:01,975 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:02,068 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:02,392 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:02,514 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:02,594 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:02,668 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:02,752 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:04,184 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:04,316 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:04,367 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:04,513 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:04,548 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:04,636 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:04,767 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:04,850 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:04,899 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:04,942 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:05,346 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:07,546 INFO L303 Elim1Store]: Index analysis took 6809 ms [2019-01-11 11:08:07,755 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 261 treesize of output 932 [2019-01-11 11:08:07,945 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:07,947 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:07,949 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:07,953 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:07,956 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:07,960 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:07,964 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:07,965 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:07,966 INFO L303 Elim1Store]: Index analysis took 204 ms [2019-01-11 11:08:07,968 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 923 treesize of output 1028 [2019-01-11 11:08:07,969 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-11 11:08:12,782 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:12,783 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:12,901 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:12,985 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:13,231 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:13,263 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:13,268 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:13,441 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:13,471 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:13,491 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:13,517 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:13,568 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:13,575 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:13,583 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:13,612 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:13,675 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:13,742 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:13,754 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:13,853 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:13,864 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:13,919 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:13,948 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:14,013 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:14,143 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:14,152 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:14,250 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:14,284 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:14,292 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:14,361 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:14,386 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:14,401 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:14,421 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:16,235 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:16,559 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:16,589 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:16,597 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:16,632 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:16,633 INFO L303 Elim1Store]: Index analysis took 3896 ms [2019-01-11 11:08:16,634 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 256 treesize of output 1017 [2019-01-11 11:08:16,635 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-01-11 11:08:18,149 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:08:51,772 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,773 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,774 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,776 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,786 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,789 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,796 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,801 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,808 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,809 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,810 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,811 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,812 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,814 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,819 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,820 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,821 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,836 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,845 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,853 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,864 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,865 INFO L303 Elim1Store]: Index analysis took 101 ms [2019-01-11 11:08:51,866 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 550 [2019-01-11 11:08:51,883 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,886 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,890 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,894 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,897 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,909 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,927 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,932 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:51,933 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 561 [2019-01-11 11:08:51,934 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-01-11 11:08:52,299 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:08:52,314 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,345 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,347 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,348 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,355 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,361 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,367 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,372 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,380 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,387 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,395 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,434 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,441 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,442 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,460 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,475 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,489 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,502 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,516 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,519 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,525 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,535 INFO L303 Elim1Store]: Index analysis took 235 ms [2019-01-11 11:08:52,543 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 197 treesize of output 535 [2019-01-11 11:08:52,554 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,556 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,561 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,573 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,575 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,578 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,581 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,587 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:08:52,623 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 30 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 140 treesize of output 552 [2019-01-11 11:08:52,624 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-01-11 11:08:54,027 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:08:56,957 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2019-01-11 11:08:56,957 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 6 variables, input treesize:478, output treesize:641 [2019-01-11 11:09:42,120 WARN L181 SmtUtils]: Spent 9.94 s on a formula simplification. DAG size of input: 130 DAG size of output: 85 [2019-01-11 11:10:04,675 WARN L181 SmtUtils]: Spent 22.55 s on a formula simplification that was a NOOP. DAG size: 107 [2019-01-11 11:10:04,845 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:05,007 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:05,008 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:05,029 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:05,037 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:05,372 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:05,476 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:05,713 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:05,755 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:05,776 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:05,827 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:06,050 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:06,173 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:06,494 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:06,685 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:07,130 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:07,498 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:07,645 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:07,689 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:07,714 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:07,795 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:07,825 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:07,848 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:07,894 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:07,935 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:08,086 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:08,103 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:08,220 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:08,336 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:08,454 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:08,480 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:08,574 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:08,721 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:09,254 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:09,297 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:09,408 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:09,471 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:09,472 INFO L303 Elim1Store]: Index analysis took 4795 ms [2019-01-11 11:10:09,473 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 290 treesize of output 1042 [2019-01-11 11:10:09,526 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:09,529 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:09,532 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:09,548 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:09,550 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:09,556 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:09,557 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:09,561 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:09,563 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:09,565 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 47 disjoint index pairs (out of 36 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 1373 [2019-01-11 11:10:09,566 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-11 11:10:15,475 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:10:15,585 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:15,737 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:15,830 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:16,337 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:16,476 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:16,510 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:16,550 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:16,631 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:16,765 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:16,838 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:17,171 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:17,304 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:17,386 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:17,396 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:17,430 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:17,542 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:17,679 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:17,686 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:17,927 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:18,597 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:18,676 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:18,703 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:18,726 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:18,767 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:18,884 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:19,021 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:20,272 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:20,330 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:20,534 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:20,706 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:20,795 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:20,831 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:20,984 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:21,460 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:21,668 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:21,811 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:22,436 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:22,450 INFO L303 Elim1Store]: Index analysis took 6973 ms [2019-01-11 11:10:22,462 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 38 disjoint index pairs (out of 36 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 271 treesize of output 1023 [2019-01-11 11:10:22,509 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:22,515 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:22,520 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:22,526 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:22,529 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:22,592 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:22,596 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:22,600 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:22,601 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:10:22,645 INFO L303 Elim1Store]: Index analysis took 179 ms [2019-01-11 11:10:22,653 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 48 disjoint index pairs (out of 45 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 256 treesize of output 1360 [2019-01-11 11:10:22,654 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-11 11:10:29,065 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:11:39,493 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,494 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,495 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,507 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,519 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,520 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,521 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,522 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,523 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,531 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,532 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,534 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,567 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,568 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,575 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,576 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,578 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,581 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,592 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,600 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,601 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,603 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,632 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,633 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,639 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,649 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,650 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,672 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,684 INFO L303 Elim1Store]: Index analysis took 197 ms [2019-01-11 11:11:39,692 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 249 treesize of output 797 [2019-01-11 11:11:39,737 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,738 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,745 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,749 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,753 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,758 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,774 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,777 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,782 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:39,814 INFO L303 Elim1Store]: Index analysis took 117 ms [2019-01-11 11:11:39,822 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 38 disjoint index pairs (out of 36 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 215 treesize of output 1085 [2019-01-11 11:11:39,823 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-11 11:11:40,619 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:11:40,639 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,645 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,647 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,675 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,684 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,685 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,686 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,688 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,689 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,704 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,706 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,721 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,725 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,727 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,728 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,729 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,731 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,734 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,735 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,737 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,739 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,740 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,744 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,758 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,761 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,773 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,774 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,779 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,779 INFO L303 Elim1Store]: Index analysis took 158 ms [2019-01-11 11:11:40,780 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 268 treesize of output 816 [2019-01-11 11:11:40,824 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,838 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,840 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,842 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,846 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,849 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,852 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,859 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,862 INFO L701 Elim1Store]: detected not equals via solver [2019-01-11 11:11:40,863 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 235 treesize of output 1098 [2019-01-11 11:11:40,864 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-01-11 11:11:41,460 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-11 11:11:48,357 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2019-01-11 11:11:48,358 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:563, output treesize:781 [2019-01-11 11:11:50,369 WARN L838 $PredicateComparison]: unable to prove that (or (exists ((main_yold Int) (v_subst_4 Int)) (let ((.cse8 (+ v_subst_4 1)) (.cse13 (mod (+ (mod (+ v_subst_4 2) 256) 1) 256))) (let ((.cse11 (mod (+ (mod (+ .cse13 1) 256) 1) 256)) (.cse9 (mod .cse8 256))) (let ((.cse12 (mod (+ .cse9 1) 256)) (.cse10 (mod (+ .cse11 1) 256))) (let ((.cse3 (mod (+ .cse10 1) 256)) (.cse4 (select c_main_a (mod (+ (mod (+ .cse12 1) 256) 1) 256))) (.cse6 (select c_main_a .cse13)) (.cse1 (select c_main_a .cse12)) (.cse5 (select c_main_a .cse11)) (.cse7 (select c_main_a .cse10)) (.cse0 (select c_main_a .cse9)) (.cse2 (select c_main_a v_subst_4))) (and (= .cse0 .cse1) (= 1000 .cse2) (= c_main_x .cse3) (= (select c_main_a (mod (+ .cse3 1) 256)) (select c_main_a main_yold)) (= .cse4 .cse5) (= .cse4 .cse6) (= .cse6 .cse1) (= .cse7 .cse5) (= (select c_main_a c_main_x) .cse7) (= .cse0 .cse2) (= 0 (select c_main_a .cse8)))))))) (exists ((v_prenex_49 Int) (v_prenex_48 Int)) (let ((.cse23 (mod (+ v_prenex_48 1) 256))) (let ((.cse24 (mod (+ .cse23 1) 256))) (let ((.cse25 (mod (+ .cse24 1) 256))) (let ((.cse26 (mod (+ .cse25 1) 256))) (let ((.cse22 (mod (+ .cse26 1) 256))) (let ((.cse16 (select c_main_a .cse26)) (.cse15 (select c_main_a .cse25)) (.cse17 (select c_main_a .cse22)) (.cse14 (select c_main_a .cse24)) (.cse19 (select c_main_a .cse23)) (.cse20 (mod (+ .cse22 1) 256)) (.cse18 (select c_main_a v_prenex_48)) (.cse21 (select c_main_a (+ v_prenex_48 (- 1))))) (and (= .cse14 .cse15) (= .cse16 .cse17) (= .cse16 .cse15) (= .cse18 .cse19) (= (select c_main_a (mod (+ .cse20 1) 256)) (select c_main_a v_prenex_49)) (= (select c_main_a c_main_x) .cse17) (= v_prenex_48 (mod v_prenex_48 256)) (= .cse14 .cse19) (= c_main_x .cse20) (= .cse18 .cse21) (= .cse21 1000))))))))) (exists ((v_prenex_44 Int)) (let ((.cse39 (mod (+ v_prenex_44 1) 256))) (let ((.cse38 (mod (+ .cse39 1) 256))) (let ((.cse35 (mod (+ .cse38 1) 256))) (let ((.cse36 (mod (+ .cse35 1) 256))) (let ((.cse37 (mod (+ .cse36 1) 256))) (let ((.cse27 (select c_main_a v_prenex_44)) (.cse30 (select c_main_a .cse39)) (.cse28 (select c_main_a (+ v_prenex_44 (- 1)))) (.cse32 (select c_main_a .cse37)) (.cse29 (select c_main_a .cse38)) (.cse33 (mod (+ .cse37 1) 256)) (.cse31 (select c_main_a .cse36)) (.cse34 (select c_main_a .cse35))) (and (= .cse27 .cse28) (= .cse29 .cse30) (= .cse27 .cse30) (= .cse31 .cse32) (= v_prenex_44 (mod v_prenex_44 256)) (= .cse28 1000) (= (select c_main_a (mod (+ .cse33 1) 256)) .cse32) (= (select c_main_a c_main_x) .cse32) (= .cse29 .cse34) (= c_main_x .cse33) (= .cse31 .cse34)))))))))) is different from false [2019-01-11 11:11:50,379 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 9 refuted. 12 times theorem prover too weak. 0 trivial. 7 not checked. [2019-01-11 11:11:50,379 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-11 11:12:03,491 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-01-11 11:12:03,510 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-11 11:12:03,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 3] total 16 [2019-01-11 11:12:03,511 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-11 11:12:03,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-01-11 11:12:03,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-01-11 11:12:03,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=154, Unknown=29, NotChecked=28, Total=272 [2019-01-11 11:12:03,512 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 15 states. [2019-01-11 11:12:39,924 WARN L181 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-01-11 11:12:57,294 WARN L181 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-01-11 11:13:23,410 WARN L181 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-01-11 11:14:02,556 WARN L181 SmtUtils]: Spent 10.75 s on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2019-01-11 11:14:48,564 WARN L181 SmtUtils]: Spent 14.83 s on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2019-01-11 11:15:03,655 WARN L838 $PredicateComparison]: unable to prove that (and (= 1000 (select c_main_a c_main_x)) (not (= c_main_x c_main_y)) (= 1000 (select c_main_a c_main_y)) (or (exists ((main_yold Int) (v_subst_4 Int)) (let ((.cse8 (+ v_subst_4 1)) (.cse13 (mod (+ (mod (+ v_subst_4 2) 256) 1) 256))) (let ((.cse11 (mod (+ (mod (+ .cse13 1) 256) 1) 256)) (.cse9 (mod .cse8 256))) (let ((.cse12 (mod (+ .cse9 1) 256)) (.cse10 (mod (+ .cse11 1) 256))) (let ((.cse3 (mod (+ .cse10 1) 256)) (.cse4 (select c_main_a (mod (+ (mod (+ .cse12 1) 256) 1) 256))) (.cse6 (select c_main_a .cse13)) (.cse1 (select c_main_a .cse12)) (.cse5 (select c_main_a .cse11)) (.cse7 (select c_main_a .cse10)) (.cse0 (select c_main_a .cse9)) (.cse2 (select c_main_a v_subst_4))) (and (= .cse0 .cse1) (= 1000 .cse2) (= c_main_x .cse3) (= (select c_main_a (mod (+ .cse3 1) 256)) (select c_main_a main_yold)) (= .cse4 .cse5) (= .cse4 .cse6) (= .cse6 .cse1) (= .cse7 .cse5) (= (select c_main_a c_main_x) .cse7) (= .cse0 .cse2) (= 0 (select c_main_a .cse8)))))))) (exists ((v_prenex_49 Int) (v_prenex_48 Int)) (let ((.cse23 (mod (+ v_prenex_48 1) 256))) (let ((.cse24 (mod (+ .cse23 1) 256))) (let ((.cse25 (mod (+ .cse24 1) 256))) (let ((.cse26 (mod (+ .cse25 1) 256))) (let ((.cse22 (mod (+ .cse26 1) 256))) (let ((.cse16 (select c_main_a .cse26)) (.cse15 (select c_main_a .cse25)) (.cse17 (select c_main_a .cse22)) (.cse14 (select c_main_a .cse24)) (.cse19 (select c_main_a .cse23)) (.cse20 (mod (+ .cse22 1) 256)) (.cse18 (select c_main_a v_prenex_48)) (.cse21 (select c_main_a (+ v_prenex_48 (- 1))))) (and (= .cse14 .cse15) (= .cse16 .cse17) (= .cse16 .cse15) (= .cse18 .cse19) (= (select c_main_a (mod (+ .cse20 1) 256)) (select c_main_a v_prenex_49)) (= (select c_main_a c_main_x) .cse17) (= v_prenex_48 (mod v_prenex_48 256)) (= .cse14 .cse19) (= c_main_x .cse20) (= .cse18 .cse21) (= .cse21 1000))))))))) (exists ((v_prenex_44 Int)) (let ((.cse39 (mod (+ v_prenex_44 1) 256))) (let ((.cse38 (mod (+ .cse39 1) 256))) (let ((.cse35 (mod (+ .cse38 1) 256))) (let ((.cse36 (mod (+ .cse35 1) 256))) (let ((.cse37 (mod (+ .cse36 1) 256))) (let ((.cse27 (select c_main_a v_prenex_44)) (.cse30 (select c_main_a .cse39)) (.cse28 (select c_main_a (+ v_prenex_44 (- 1)))) (.cse32 (select c_main_a .cse37)) (.cse29 (select c_main_a .cse38)) (.cse33 (mod (+ .cse37 1) 256)) (.cse31 (select c_main_a .cse36)) (.cse34 (select c_main_a .cse35))) (and (= .cse27 .cse28) (= .cse29 .cse30) (= .cse27 .cse30) (= .cse31 .cse32) (= v_prenex_44 (mod v_prenex_44 256)) (= .cse28 1000) (= (select c_main_a (mod (+ .cse33 1) 256)) .cse32) (= (select c_main_a c_main_x) .cse32) (= .cse29 .cse34) (= c_main_x .cse33) (= .cse31 .cse34))))))))))) is different from false [2019-01-11 11:15:03,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-11 11:15:03,662 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2019-01-11 11:15:03,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-11 11:15:03,662 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 10 [2019-01-11 11:15:03,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-11 11:15:03,662 INFO L225 Difference]: With dead ends: 12 [2019-01-11 11:15:03,662 INFO L226 Difference]: Without dead ends: 0 [2019-01-11 11:15:03,663 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 9 SemanticMatches, 21 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 216.9s TimeCoverageRelationStatistics Valid=108, Invalid=257, Unknown=63, NotChecked=78, Total=506 [2019-01-11 11:15:03,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-11 11:15:03,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-11 11:15:03,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-11 11:15:03,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-11 11:15:03,663 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-01-11 11:15:03,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-11 11:15:03,664 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-11 11:15:03,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-01-11 11:15:03,664 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-11 11:15:03,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-11 11:15:03,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-11 11:15:06,024 WARN L181 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 413 DAG size of output: 34 [2019-01-11 11:15:06,027 INFO L448 ceAbstractionStarter]: For program point mainENTRY(lines 9 30) no Hoare annotation was computed. [2019-01-11 11:15:06,027 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-01-11 11:15:06,027 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 9 30) no Hoare annotation was computed. [2019-01-11 11:15:06,027 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 9 30) no Hoare annotation was computed. [2019-01-11 11:15:06,027 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONASSERT(line 28) no Hoare annotation was computed. [2019-01-11 11:15:06,027 INFO L444 ceAbstractionStarter]: At program point L18-1(lines 18 29) the Hoare annotation is: (let ((.cse0 (select main_a main_x)) (.cse1 (select main_a main_y))) (or (and (= .cse0 1000) (= .cse1 0) (= main_y (+ main_x 1))) (and (= .cse0 .cse1) (= 1000 .cse1)) (exists ((main_yold Int)) (let ((.cse2 (select main_a main_yold)) (.cse3 (select main_a (+ main_yold (- 1))))) (and (= (mod main_yold 256) main_x) (= 0 .cse2) (= main_y (mod (+ main_yold 1) 256)) (= (select main_a main_y) .cse2) (= (select main_a main_x) .cse3) (= 1000 .cse3)))))) [2019-01-11 11:15:06,038 INFO L202 PluginConnector]: Adding new model SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 11:15:06 BoogieIcfgContainer [2019-01-11 11:15:06,038 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-11 11:15:06,039 INFO L168 Benchmark]: Toolchain (without parser) took 591304.31 ms. Allocated memory was 139.5 MB in the beginning and 374.3 MB in the end (delta: 234.9 MB). Free memory was 106.9 MB in the beginning and 83.7 MB in the end (delta: 23.3 MB). Peak memory consumption was 258.1 MB. Max. memory is 7.1 GB. [2019-01-11 11:15:06,039 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-11 11:15:06,040 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.68 ms. Allocated memory is still 139.5 MB. Free memory was 106.7 MB in the beginning and 105.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-01-11 11:15:06,040 INFO L168 Benchmark]: Boogie Preprocessor took 22.43 ms. Allocated memory is still 139.5 MB. Free memory was 105.0 MB in the beginning and 103.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-01-11 11:15:06,040 INFO L168 Benchmark]: RCFGBuilder took 255.71 ms. Allocated memory is still 139.5 MB. Free memory was 103.8 MB in the beginning and 94.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-01-11 11:15:06,041 INFO L168 Benchmark]: TraceAbstraction took 590983.80 ms. Allocated memory was 139.5 MB in the beginning and 374.3 MB in the end (delta: 234.9 MB). Free memory was 94.6 MB in the beginning and 83.7 MB in the end (delta: 10.9 MB). Peak memory consumption was 245.8 MB. Max. memory is 7.1 GB. [2019-01-11 11:15:06,043 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.68 ms. Allocated memory is still 139.5 MB. Free memory was 106.7 MB in the beginning and 105.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.43 ms. Allocated memory is still 139.5 MB. Free memory was 105.0 MB in the beginning and 103.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 255.71 ms. Allocated memory is still 139.5 MB. Free memory was 103.8 MB in the beginning and 94.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 590983.80 ms. Allocated memory was 139.5 MB in the beginning and 374.3 MB in the end (delta: 234.9 MB). Free memory was 94.6 MB in the beginning and 83.7 MB in the end (delta: 10.9 MB). Peak memory consumption was 245.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 28]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (((a[x] == 1000 && a[y] == 0) && y == x + 1) || (a[x] == a[y] && 1000 == a[y])) || (exists main_yold : int :: ((((main_yold % 256 == x && 0 == a[main_yold]) && y == (main_yold + 1) % 256) && a[y] == a[main_yold]) && a[x] == a[main_yold + -1]) && 1000 == a[main_yold + -1]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. SAFE Result, 590.9s OverallTime, 5 OverallIterations, 7 TraceHistogramMax, 216.6s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 15 SDtfs, 3 SDslu, 3 SDs, 0 SdLazy, 88 SolverSat, 10 SolverUnsat, 48 SolverUnknown, 0 SolverNotchecked, 103.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 9 SyntacticMatches, 13 SemanticMatches, 51 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 234.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 9 NumberOfFragments, 72 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 3060 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 370.2s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 68 ConstructedInterpolants, 24 QuantifiedInterpolants, 34971 SizeOfPredicates, 38 NumberOfNonLiveVariables, 158 ConjunctsInSsa, 127 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 31/126 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...